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SendMime fails for one recipient server only

Apr 08 '14 at 22:20


we have found one recipient that we can't send email to via SendMime. This recipient server returns a slightly stange but probably not illegal sequence for the EHLO command. See log:

ChilkatLog: SendMime: DllDate: Mar 21 2014 ChilkatVersion: UnlockPrefix: SERVOLMAILQ Username: WIN-DKVEC8768RS:SYSTEM Architecture: Little Endian; 32-bit Language: .NET 4.0 VerboseLogging: 0 progressTotal: 9832 SmtpConnect: SmtpHost: SmtpPort: 25 SmtpUsername: SmtpSsl: 0 StartTLS: 0 ClientIpAddress: Need new SMTP connection No SMTP login provided. No SMTP password provided. Skipping SMTP authentication because no login/password provided. checkForExistingConnection: Elapsed time: 0 millisec SMTP_Connect: Connecting to SMTP server smtp_host: smtp_port: 25 smtp_user: NULL auth-method: NONE connect2: connectSocket: connect_ipv6_or_ipv4: bindIpAddr: bindSockAddr: 0200 0000 C045 CE47 0000 0000 0000 0000 Socket bind successful. --connect_ipv6_or_ipv4 --connectSocket --connect2 socketOptions: SO_SNDBUF: 8192 SO_RCVBUF: 8192 TCP_NODELAY: 1 --socketOptions socketConnect: Elapsed time: 594 millisec SmtpCmdResp: 220 Hello, nice to see you at 04/09/14 04:07:34 / If you have any question or problems: initialResponse: Elapsed time: 156 millisec ehloCommand: EHLO SmtpCmdSent: EHLO<crlf> sendEhlo: Elapsed time: 0 millisec SmtpCmdResp: [], this server offers 5 extensions SmtpCmdResp: 250-AUTH LOGIN SmtpCmdResp: 250-SIZE 73728000 SmtpCmdResp: 250-HELP SmtpCmdResp: 250-AUTH=LOGIN SmtpCmdResp: 250 Timeout waiting to read socket or accept connection timeoutMs: 90000 recvUntilMatch: Socket operation timeout. --SMTP_Connect smtpConnect: Socket operation timeout. checkOrMakeSmtpConnection: Elapsed time: 90906 millisec --SmtpConnect Failed. --SendMime --ChilkatLog

Other mail transfer agents (Exchange, Outlook) work fine with this recipient. Can you do anything here?

Best regards,